From: Jack Xiao <[email protected]> Free the mes gang and its resources.
Signed-off-by: Jack Xiao <[email protected]> Acked-by: Christian König <[email protected]> Reviewed-by: Hawking Zhang <[email protected]> Signed-off-by: Alex Deucher <[email protected]> --- drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c | 30 +++++++++++++++++++++++++ drivers/gpu/drm/amd/amdgpu/amdgpu_mes.h | 1 + 2 files changed, 31 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c index 74385e4b45c4..07ddf7bf6a3b 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c @@ -416,3 +416,33 @@ int amdgpu_mes_add_gang(struct amdgpu_device *adev, int pasid, mutex_unlock(&adev->mes.mutex); return r; } + +int amdgpu_mes_remove_gang(struct amdgpu_device *adev, int gang_id) +{ + struct amdgpu_mes_gang *gang; + + mutex_lock(&adev->mes.mutex); + + gang = idr_find(&adev->mes.gang_id_idr, gang_id); + if (!gang) { + DRM_ERROR("gang id %d doesn't exist\n", gang_id); + mutex_unlock(&adev->mes.mutex); + return -EINVAL; + } + + if (!list_empty(&gang->queue_list)) { + DRM_ERROR("queue list is not empty\n"); + mutex_unlock(&adev->mes.mutex); + return -EBUSY; + } + + idr_remove(&adev->mes.gang_id_idr, gang->gang_id); + amdgpu_bo_free_kernel(&gang->gang_ctx_bo, + &gang->gang_ctx_gpu_addr, + &gang->gang_ctx_cpu_ptr); + list_del(&gang->list); + kfree(gang); + + mutex_unlock(&adev->mes.mutex); + return 0; +} diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.h index 3109bd1db6bc..f401a0a3eebd 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.h @@ -228,5 +228,6 @@ void amdgpu_mes_destroy_process(struct amdgpu_device *adev, int pasid); int amdgpu_mes_add_gang(struct amdgpu_device *adev, int pasid, struct amdgpu_mes_gang_properties *gprops, int *gang_id); +int amdgpu_mes_remove_gang(struct amdgpu_device *adev, int gang_id); #endif /* __AMDGPU_MES_H__ */ -- 2.35.1
